Wall-plug fitting.



G. H. FSTER. WALL PLUG FITTING. APPLIUATION HLBD MAY 2,1913.

Patented N0v.17, 1914.

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G. H. FOSTER. WALL PLUG FITTING. APPLICATION FILED MAY 2,1913,

Patented Nov. 17, 1914.

2 SHEETS-SHEET 2.

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GEORGE HUGH FOSTER, 0F MARRICKVILLE, NEW' SOUTH WALES, AUSTRALIA.

WALL-PLUG FITTING.

Specification of Letters Patent.

Patented Nov. 17, 1914.

Application led May 2, 1913. Serial N o. 765,140.

To all '1c/10m it may concern Be it known that I, GEORGE HUGH FOSTER, a subject of the King of Great Britain and Ireland, residing at The Palms, Marrickville Road, Marrickville, in the State of New South Wales, Commonwealth of Australia, have invented certain new and useful Improvements in lVall-Plug Fittings, of which the following is a specification.

This invention relates to wall plugs incased within a metallic tube and laid in brick or masonry jointing during building construction and used for fixing interior finishing such as door frames, window frames, architraves, skirting boards and the like.

The object of the invention is to effect such improvements in plugs of the type and for the purpose mentioned, that the same are also adapted to be fitted into a drilled hole in the wall and secured by grouting and the casing ends also utilized for securing interior or exterior fitments thereto, and further the p ugs are prevented from being driven farther into the metallic casing containing same.

To this end the invention consists in the employment of the peculiarly constructed casing or hollow bolt for the plugs and the scribed and claimed, and as illustrated in the accompanying drawings wherein igure l is a 3`3, Fig. 2. Fig's. 4, 5 and 6 are perspective views of two further and modified forms of plugs.

Fig. 11 a slotted clip for use perspective view Fig. 12 a sectional with the plug casing. view thereof.

The metallic tubular casing 13 has threaded ends 14 for the nuts 15 and is provided with a core or plug 16 in each end of wood or other suitable substance. As shown in Figs. l, 2 and 3 the tube 13 is somewhat flattened as at 17, thereby forming a stop and preventing the plugs 16 from being driven into the casing 13. In assembling the parts 13 and 16 the casing 13 is first flattened at 17 and the plugs 16 then inserted.

The casing 13 shown in Fig. 4 has double Copies of this patent may be obtained for ve cents each, 'by

flattened portions 17, and would be used principally for very thick walls.

In Figs. 5, 6, 7 and 8 the casing 13 has a into which grouting is poured into a drilled hole. Re erring to Figs. 11 and 12 has an elongated slot 21 for the and has a circular lug or tenon 22 adapted to tal Iii use the casing 13 is laid into a joint during building operations, and when ready for the wood-work to be attached the nuts 15 are tightened, and thus as shown, the skirting boards 27 being fastened by the nails 28.

When the casing 13 is inserted into a drilled hole 29 (see Fig. 10) grouting is poured into the cup 19 thereby filling up the drilled hole 29 around the plug. The clips 20 are fastened to the wall by the plug, casing nuts 15 (see Fig. 12) and to the door jamb 24 by screw 26.

The architraves 30 are aflixed to the jamb lining 24 and to the plugs 16 in the usual manner.

lVhat I claim and desire to secure by Letters Patent is 1. In a wall plug, in combination, a metal- Alic tubular casing containing plugs, deformed portions in said casing intermediate its ends forming stops for said plugs, a flanged head at one end of said casing and a nut at the opposite end of said casing, and a lip on said flanged head as and for the purpose set forth.

2. In a wall plug, in combination, a metallic tubular casing containing plugs, flattened said casing ing and means for securing said plate to the wall, as and for the purposes set forth.

Signed at Sydney, New South l/Vales, this twentieth day of March 1913.

GEORGE HUGH FOSTER. Witnesses:

WVM. NEWTON, A.. C. SIMPSON.

addressing the Commissioner n1 Patents.

Washington, D. C. 

